853847000791 has 2 divisors, whose sum is σ = 853847000792. Its totient is φ = 853847000790.

The previous prime is 853847000777. The next prime is 853847000803. The reversal of 853847000791 is 197000748358.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853847000791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853847000731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426923500395 + 426923500396.

It is an arithmetic number, because the mean of its divisors is an integer number (426923500396).

Almost surely, 2^853847000791 is an apocalyptic number.

853847000791 is a deficient number, since it is larger than the sum of its proper divisors (1).

853847000791 is an equidigital number, since it uses as much as digits as its factorization.

853847000791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 853847000791 in words is "eight hundred fifty-three billion, eight hundred forty-seven million, seven hundred ninety-one", and thus it is an aban number.